ima: ima_initialized is set only if successful

Set ima_initialized only if initialization was successful.
Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@intel.com>
Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>

security/integrity/ima/ima_main.c

@@ -258,7 +258,8 @@ static int __init init_ima(void)
 	int error;
 
 	error = ima_init();
-	ima_initialized = 1;
+	if (!error)
+		ima_initialized = 1;
 	return error;
 }